|HALO is a great LED belt not just for its cool looking but also merge safety. Perfect for making sure the night drivers notice you on the road. The Halo LED is powered by two encased nickel lithium batteriesm,and burns, strobes, or flashes in 4 neon colors;red, green, blue, and pink. However,HALO isn't only limited to biking,it can be used in a variety of different ways, from changing a tire on the side of the road, jogging at night, crossing the street, or even as a fashion statement at parties/raves it's overall purpose is for visibility. It retail $85+tax.